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Bei Defense Systems Company, Inc.  · Electronic Components

921-4091

Filter, Radio Frequency Interfere

Part Number921-4091
ManufacturerBei Defense Systems Company, Inc.
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameFILTER,RADIO FREQUENCY INTERFERE
Federal Supply Class5915 — Filters and Networks
Style DesignatorRECTANGULAR TERMINAL/TERMINALS ON OPPOSITE SURFACES
Load Impedance Per Function50.0 OHMS 1ST RADIO INTERFERENCE FIRST FUNCTION
Principal Circuitry Type Per FunctINDUCTANCE-CAPACITANCE 1ST RADIO INTERFERENCE FIRST FUNCTION
Source Impedance Rating Per Functi50.0 OHMS 3RD RADIO INTERFERENCE THIRD FUNCTION
Unpackaged Unit Weight12.000 OUNCES NOMINAL
Inclosure TypeENCASED
Mounting Facility Type And Quantit2 TERMINAL LOCATION NOT OTHERWISE SPECIFIED
Body Length2.480 INCHES MINIMUM AND 2.520 INCHES MAXIMUM
Body Height2.105 INCHES MINIMUM AND 2.145 INCHES MAXIMUM
Body Width1.980 INCHES MINIMUM AND 2.020 INCHES MAXIMUM
Overall Length4.190 INCHES MINIMUM AND 4.310 INCHES MAXIMUM
Vendor Part Numbers209-175-360-101
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RH Electronics, Inc. — independent stocking distributor since 1982.
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant

Frequently asked

Is 921-4091 available?
We can source 921-4091 even if it isn't in our active stock list. As an independent distributor we reach inventory outside the franchise channel — including hard-to-find and obsolete parts. Send us a quote request.
Is 921-4091 by Bei Defense Systems Company, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 921-4091 has been discontinued, we can often source remaining stock or qualified alternates. Contact us with your quantity and target date.
How does RH Electronics verify parts like 921-4091?
Every incoming shipment is inspected under our ISO 9001:2015 quality system — documentation, markings, and construction checked against known-good references. For deeper analysis, we direct work through accredited independent labs. We've been an ERAI member since 1998 and a GIDEP participant.
Can you find a cross-reference or alternate for 921-4091?
Yes. Our team reads part numbers the way they were designed — decoding family, speed, temperature grade, package, and reliability level — to identify acceptable alternates when the exact part isn't available. Submit a quote request and we'll advise.